Gallatin CountyPower Outage History
2015–2025 · Illinois
Worse than average — more frequent or longer outages than most counties.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 6, 2016 | <1 hr | 2,416 (57%) | Thunderstorm Wind |
| Jan 10, 2017 | 1 hrs | 2,324 (55%) | Winter Weather |
| Mar 12, 2018 | 4 hrs | 2,255 (53%) | Flood |
| Aug 1, 2019 | 1 hrs | 2,104 (50%) | Unnamed event |
| Apr 23, 2020 | <1 hr | 2,102 (50%) | Dense Fog |
Over the 11 years from 2015 to 2025, Gallatin County recorded 447 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Gallatin County started April 6, 2016 (Thunderstorm Wind), lasting less than 1 hour and leaving up to 2,416 customers without power (57% of the county) at its peak.
June has historically been the worst month for outages in Gallatin County, with 60 events recorded during that month across the dataset.
Based on this history, Gallatin County earns a Reliability Grade of D, placing it in the 35th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Gallatin County.
| County | Grade | National percentile |
|---|---|---|
| Warren County | D | 35th |
| De Witt County | D | 32nd |
| Monroe County | D | 38th |
| Washington County | D | 31st |
| Rock Island County | C | 41st |
Most reliable counties in Illinois
The top 3 counties in Illinois by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Wabash County | A | 97th |
| Massac County | A | 94th |
| Kendall County | A | 93rd |
Least reliable counties in Illinois
The bottom 3 counties in Illinois by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Mercer County | F | 11th |
| Stark County | F | 13th |
| Henderson County | F | 19th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Gallatin County?
Between 2015 and 2025, Gallatin County recorded 447 outage events, averaging 2.6 hours each.
What is Gallatin County's reliability grade?
Gallatin County has a Reliability Grade of D, in the 35th national percentile.
What was the worst power outage in Gallatin County?
The worst outage on record started April 6, 2016 (Thunderstorm Wind), lasting less than 1 hour and affecting up to 2,416 customers.